IP Library Granted Patent US 5,220,561
Granted Patent Utility
US 5,220,561 · App. 07/541,050

Data transfer between high bit rate buses via unshielded low bit rate bus

Inventors: Derek J. Nuhn, Gordon W. Servant, Robert P. Brennan, George Jeffrey
Patented Case View Patent ↗
Granted: Jun 15, 1993 Filed: Jun 20, 1990
Inventors
Derek J. Nuhn
Gordon W. Servant
Robert P. Brennan
George Jeffrey
Assignee (at issue)
Mitel Corporation

This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 5,220,561
App. No.
07/541,050
Filed
1990-06-20
Granted
1993-06-15
Kind
A